80711140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2332

約数の個数: 48

約数和(自身を含む): 179182080

約数和(自身を除く): 98470940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 2221, 3634, 4442, 7268, 8884, 9085, 11105, 18170, 22210, 36340, 44420, 51083, 102166, 175459, 204332, 255415, 350918, 510830, 701836, 877295, 1021660, 1754590, 3509180, 4035557, 8071114, 16142228, 20177785, 40355570, 80711140]

約数ペア:

[(1, 80711140), (2, 40355570), (4, 20177785), (5, 16142228), (10, 8071114), (20, 4035557), (23, 3509180), (46, 1754590), (79, 1021660), (92, 877295), (115, 701836), (158, 510830), (230, 350918), (316, 255415), (395, 204332), (460, 175459), (790, 102166), (1580, 51083), (1817, 44420), (2221, 36340), (3634, 22210), (4442, 18170), (7268, 11105), (8884, 9085)]